Besar binti Metassan (24 September 1928 â 16 October 2016) was a member of the Bruneian royal family and the mother of Queen Saleha, the queen consort of Sultan Hassanal Bolkiah.
Besar was born on 24 September 1928 to Pengiran Anak Metassan bin Pengiran Anak Ismail Apong and Pengiran Anak Piut binti Pengiran Anak Muhammad Tajuddin Gador.
In 1943, Besar married Pengiran Pemancha Pengiran Anak Mohamed Alam ibni Pengiran Bandahara Pengiran Anak Abdul Rahman. Together they had nine children, 37 grandchildren, and 29 great-grandchildren as of 2016.
Besar was active in community and welfare initiatives in Brunei. She would also attend several other royal ceremonies and events, such as a Khatam al-Quran ceremony in 2008 and the Hari Raya Aidilfitri open house at the Bukit Kayangan Hall in 2014
Besar died on 16 October 2016 at Raja Isteri Pengiran Anak Saleha Hospital at the age of 88. Her remains were taken to her home in Taman Seri Alam, Beribi, Bandar Seri Begawan before being interred at the Royal Mausoleum. Members of the royal family and government officials attended the ceremony.
Sultan Hassanal Bolkiah granted her the title of Pengiran Babu Raja which translates to Queen mother.